Is it safe to leave extension cords plugged in?

Extension cords are only for temporary use and are not to be left plugged into wall outlets when not being actively used. This plugs into a wall outlet and is considered a power strip even though it doesn't have a cord. Do not plug an extension cord or power strip into it.
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Should you unplug extension cords when not in use?

Always store cords indoors. Unplug extension cords when they're not in use. Throw away damaged cords. Pull the plug — not the cord — when disconnecting from the outlet.
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Is it OK to leave an extension cord plugged in overnight?

So long as you only use them temporarily (while you own the house), and not permanently (until the Sun swells up and engulfs the Earth, you're fine. Make sure they are rated to handle the current needed, and don't damage them. Also, consider using a power strip with a long cord.
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Can extension cords cause fires?

Extension cords can overheat and cause fires when used improperly. Overheating is usually caused by overloading or connecting appliances that consume more watts than the cord can handle. Damaged extension cords can also cause fires. Extension cords should only be used temporarily.
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Can you use an extension cord permanently?

Only use extension cords temporarily; permanent wiring should be installed when use of the cord is no longer temporary. National Electrical Code (NEC) does not allow extension cords in lieu of permanent wiring (NEC 400.8(1) – 2014 Version).
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Are extension cords dangerous for Computers?



Is it bad if an extension cord gets warm?

“If the cord gets warm or hot to the touch, you may have the wrong size cord or there may be a problem with the wiring in the cord,” Dodson said. “If the cord should handle the load of the item that is plugged in and it becomes hot, there is a problem.”
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What should not be plugged into an extension cord?

Here are some examples of high-capacity appliances that you should not plug into a power strip:
  • Refrigerators.
  • Washing machines and dryers.
  • Sump pumps.
  • Space heaters.
  • Portable air conditioners.
  • Microwave ovens.
  • Toasters.
  • Coffee makers.
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How likely is an extension cord to catch fire?

Roughly 3,300 home fires originate in extension cords each year, killing 50 people and injuring 270 more. Extension cords can overheat and cause fires when used improperly, so keep these important tips in mind to protect your home and workplace.
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How often do extension cords cause fires?

— According to the U.S. consumer product safety commission, every year electric extension cords cause about 4,000 trips to hospital emergency rooms. The misuse of electric extension cords and power strips also cause more than three thousand house fires every year, killing about 50 people and injuring over 250.
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Can an outlet catch fire with nothing plugged in?

An outlet can also catch fire even if nothing is plugged in. This can occur in homes that use aluminum wiring. If your house was built more than 50 years ago, chances are, it was built with aluminum wiring. Aluminum wires are more likely to catch fire, because aluminum is softer and expands more than copper.
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How long do extension cords last?

Extension cords and power strips: While extension cords and power strips don't come with an expiration date per sae, they do have a limited lifetime use. These items are only designed to handle so much juice over the years and will eventually short out or lose effectiveness.
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Should you unplug everything at night?

Make it a habit to unplug your computer every night. Not only is this a real energy saver, but it also can protect your computer from serious damage. It's not an old wives' tale — a power surge caused by lightning can completely fry your computer. To be on the safe side, at least unplug your computer during a storm.
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Do electrical outlets use power when nothing is plugged in?

Phantom energy: Do appliances use electricity when plugged in but turned off? The short answer is yes! A variety of different electronic devices and appliances, including televisions, toasters, lamps, and more, when plugged in, can consume electricity even when they're turned off.
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Are surge protectors safer than extension cords?

Extension cords are crucial when you need to stretch an appliance from one location to a distant electrical outlet, while surge protectors help keep your equipment safe.
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Why did my extension cord spark?

Your cord could also spark if the prongs have become loose or if the protective coating around the wires has become damaged. In all these instances, if the electrical cord was causing the sparks, the best thing to do is either replace the cord if possible or have it rewired by a professional electrician.
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What causes a plug to get hot?

The most likely problem causing an overheating electrical outlet is an overloaded circuit. If an outlet is struggling to power all the plugged-in appliances, it'll become overworked and hot to the touch. Loose or damaged wiring can also cause a buildup of heat in an electrical outlet.
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How do I know if my extension cord is overloaded?

Extension Cord Safety
  1. If any part of the extension cord is hot while in use, it is a warning sign that it may be overloaded. Check if the extension cord is properly rated for the products that are plugged into it. ...
  2. Do not overload your extension cord by using it to power appliances beyond its capacity.
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Why do extension cords need to be unrolled before using?

If your extension cord is coiled around a reel, you should completely unwind it before plugging it into a power outlet in order to prevent it from fusing as the result of overheating due to electromagnetic induction.
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Is it safe to run extension cord under couch?

Don't run your extension cords under couches, chairs, shelves or other furniture. be sure not to run extension cords through doorways where the cord can get pinched or worn. Do not run extension cords under rugs or carpets. Never use indoor extension cords outdoors.
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Is it OK to use an extension cord for a refrigerator?

Using a grounded extension cord with a three-prong plug is always the best choice for major appliances including refrigerators. When it comes to amperage, check the owner's manual for your refrigerator to determine the amperage rating and then choose an extension cord with an equivalent rating.
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What makes extension cords melt?

Overheated Wires

If the wires supplying an outlet are too small for the load, the terminals can heat up enough to melt the plastic faceplate. Similarly, if an extension cord is too small for the load it supplies, the plug prongs can heat up enough to melt plastic.
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Does a phone charger use electricity when not charging?

A spokesperson for the Energy Saving Trust adds: Any charger that is plugged in at the wall, and not switched off at the socket, will still use some electricity, even if it's not plugged into the device it is meant to charge.
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What pulls the most energy in a house?

What Uses the Most Energy in Your Home?
  • Cooling and heating: 47% of energy use.
  • Water heater: 14% of energy use.
  • Washer and dryer: 13% of energy use.
  • Lighting: 12% of energy use.
  • Refrigerator: 4% of energy use.
  • Electric oven: 3-4% of energy use.
  • TV, DVD, cable box: 3% of energy use.
  • Dishwasher: 2% of energy use.
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Is switching off at the wall the same as unplugging?

If the wall socket doesn't have an on off switch it would need to be unplugged instead. Electricity still runs inside an appliance even if it's switched off. If electricity is present, there is always the possibility of something overheating or shorting out.
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Is it a fire hazard to leave things plugged in?

Other than having a higher electric bill, leaving your appliances plugged in can cause all sorts of hazards in your home, including increased fire risks. It's really easy to forget to unplug your appliances whenever you leave the house for a while, but there are quite a few benefits associated with doing so.
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